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function strtotimestamp(datestr)
{
    var new_str = datestr.replace(/:/g,"-");
    new_str = new_str.replace(/ /g,"-");
    var arr = new_str.split("-");
    var datum = new Date(Date.UTC(arr[0],arr[1]-1,arr[2],arr[3]-8,arr[4],arr[5]));
    return (datum.getTime()/1000);  //ΪPHPËùÓÃ
    }
//UNIXʱ¼ä´Áת»»Îª×Ö·û´®
function timestamptostr(timestamp) {
     d = new Date(timestamp.getTime());
     var jstimestamp = (d.getFullYear())+"-"+(d.getMonth()+1)+"-"+(d.getDate())+" "+(d.getHours())+":"+(d.getMinutes())+":"+(d.getSeconds());
     return jstimestamp;
    }
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strtotimestamp("2010-01-01  08:00:00");          //PHPÊä³ö 2010-01-01  00:00:00
 strtotimestamp("2010-01-11  23:59:59")+(8*60*60);  //PHPÊä³ö 2010-01-11  23:59:59


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